Yakima County, Washington

County seat: Yakima · Population 259,185 (2025) · 4,295 sq mi

Yakima County is the 8th most populous of Washington's 39 counties, with 259,185 people (2025 estimate). Its county seat is Yakima. The map shows its 14 cities and towns and the 8 neighboring counties.

Map of Yakima County, Washington with cities, towns and the county boundary
Yakima County, Washington with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

Yakima County facts

County seat
Yakima
Population (2025 estimate)
259,185 +1% since 2020
Land area
4,295 sq mi 2nd largest of 39
Water area
16 sq mi
Population density
60 per sq mi
Established
1865
Named after
Yakama ethnic group
Largest city
Yakima 97,458
Median household income
$70,656
Cities and towns
14 plus 14 CDPs
ZIP codes
22
Time zone
Pacific
FIPS code
53077

Cities and towns in Yakima County

Yakima County has 14 incorporated cities, towns and villages. Populations count the people living inside Yakima County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
Yakima (county seat)City97,458
SunnysideCity16,430
GrandviewCity12,062
SelahCity8,678
ToppenishCity8,635
Union GapCity6,617
MoxeeCity4,765
WapatoCity4,469
GrangerCity3,831
ZillahCity3,111
MabtonCity1,967
TietonCity1,657
NachesTown1,083
HarrahTown593

Unincorporated communities (CDPs)

Census-designated places are communities without their own city government; the county provides their services.

CommunityPopulationAlso in
Terrace Heights10,041
Ahtanum3,777
Gleed2,844
Summitview2,321
Buena791
Tampico604
Outlook594
White Swan588
Cowiche364
Nile349
Eschbach181
Cliffdell157
Parker116
Donald110

ZIP codes in Yakima County

22 ZIP codes reach into Yakima County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of Yakima County, 2020–2025

Yakima County grew by 2,456 people (+1%) between April 2020 and July 2025: 4,785 more births than deaths and a net loss of 2,404 people from migration.

Year (July 1)Population
2020256,716
2021256,767
2022256,550
2023257,314
2024258,971
2025259,185

Neighboring counties

Printable Yakima County map

The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.

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Sources

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